Data for: Dating agpaitic rocks: A multi-system (U/Pb, Sm/Nd, Rb/Sr and 40Ar/39Ar) isotopic study of layered nepheline syenites from the Ilímaussaq complex, Greenland

Supplementary information for Borst et al. (2018) Dating agpaitic rocks: A multi-system (U/Pb, Sm/Nd, Rb/Sr and 40Ar/39Ar) isotopic study of layered nepheline syenites from the Ilímaussaq complex, Greenland, submitted to Lithos. Comprises a text file with supplementary information on methodology, and one excel file comprising five supplementary data tables, i.e. Table S1. U-Pb isotope compositions Table S2. Sm-Nd isotope compositions Table S3. Rb-Sr isotope compositions Table S4. Ar-Ar step-heating data Table S5. Compilation of age data for the Ilímaussaq Complex